16485680 has 40 divisors (see below), whose sum is σ = 38528784. Its totient is φ = 6560000.

The previous prime is 16485653. The next prime is 16485697. The reversal of 16485680 is 8658461.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19670 + ... + 20490.

Almost surely, 2^16485680 is an apocalyptic number.

16485680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16485680 is an abundant number, since it is smaller than the sum of its proper divisors (22043104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16485680 is a wasteful number, since it uses less digits than its factorization.

16485680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 16485680 is about 4060.2561495551. The cubic root of 16485680 is about 254.5084983453.

The spelling of 16485680 in words is "sixteen million, four hundred eighty-five thousand, six hundred eighty".